Dorman 594-530 Engine Harmonic Balancer Pulley

Engine Harmonic Balancer Pulley for GM V8 Applications

Dorman 594-530 is an engine harmonic balancer pulley built to match the fit and function of the original pulley on specified Chevrolet and GMC applications. It uses quality materials for dependable operation and long service life in high-demand engine bays.

Compatible With Chevrolet Silverado 1500, GMC Sierra 1500, Chevrolet Express, GMC Savana, Tahoe, Yukon, Suburban, and other GM truck and van platforms across 1987-2014 model years.

Key Features

• Direct-fit harmonic balancer pulley for specified GM applications
• Inside diameter: 2.75 in.
• Outside diameter: 7.8 in.
• Six-groove V-belt pulley design
• Three mounting holes for OE-style attachment
• Depth: 2.95 in.
• No keyway notch, center bolt, or mounting hardware included
• Package contents: balancer

Detailed Description

This Dorman engine harmonic balancer pulley, part number 594-530, is engineered for Chevrolet and GMC engines that use a six-groove V-belt setup. It is a practical replacement for worn, cracked, or out-of-spec pulleys on vehicles such as the Chevrolet Silverado 1500, GMC Sierra 1500, Chevrolet Astro, GMC Safari, and Chevrolet Tahoe. The pulley is sized to match the original application and support proper belt alignment and engine accessory drive operation.

This part cross-references Monroe Shocks & Struts (e.g., 10085754, 8100857540) for the same application.

What It Helps Solve

• Belt squeal caused by pulley wear or misalignment
• Visible cracking, wobble, or surface damage on the original pulley
• Accessory drive vibration from an out-of-spec harmonic balancer pulley
• Fitment issues when replacing a damaged OE pulley on GM trucks and vans
• Loss of proper belt tracking on V-belt engine setups

Installation Notes and Tips

Verify pulley dimensions, groove count, and mounting-hole layout before installation. Confirm the vehicle uses a V-belt configuration and compare the original pulley to this part number 594-530 for diameter, depth, and inside diameter. Because mounting hardware and center bolt are not included, reuse or source the correct OE-style fasteners as required by the application.

Fits 1987-2014 Chevrolet and GMC applications listed in the fitment data, including Chevrolet Silverado 1500, GMC Sierra 1500, Chevrolet Express 1500, GMC Savana 1500, Chevrolet Astro, Chevrolet Blazer, GMC Jimmy, Chevrolet Tahoe, GMC Yukon, and related GM truck and van models.

Quality Assurance

Dorman manufactures replacement components to match original fit and function on specified vehicles. Part number 594-530 is built from quality materials for reliable performance and durability in everyday engine service.